80613990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1091}}^1$

素因数の和:1925

約数の個数: 48

約数和(自身を含む): 210044016

約数和(自身を除く): 129430026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 821, 1091, 1642, 2182, 2463, 3273, 4105, 4926, 5455, 6546, 7389, 8210, 9819, 10910, 12315, 14778, 16365, 19638, 24630, 32730, 36945, 49095, 73890, 98190, 895711, 1791422, 2687133, 4478555, 5374266, 8061399, 8957110, 13435665, 16122798, 26871330, 40306995, 80613990]

約数ペア:

[(1, 80613990), (2, 40306995), (3, 26871330), (5, 16122798), (6, 13435665), (9, 8957110), (10, 8061399), (15, 5374266), (18, 4478555), (30, 2687133), (45, 1791422), (90, 895711), (821, 98190), (1091, 73890), (1642, 49095), (2182, 36945), (2463, 32730), (3273, 24630), (4105, 19638), (4926, 16365), (5455, 14778), (6546, 12315), (7389, 10910), (8210, 9819)]